1275054520 has 16 divisors (see below), whose sum is σ = 2868872760. Its totient is φ = 510021792.

The previous prime is 1275054511. The next prime is 1275054523. The reversal of 1275054520 is 254505721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275054523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15938142 + ... + 15938221.

Almost surely, 2^1275054520 is an apocalyptic number.

1275054520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1275054520 is an abundant number, since it is smaller than the sum of its proper divisors (1593818240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275054520 is a wasteful number, since it uses less digits than its factorization.

1275054520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31876374 (or 31876370 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 1275054520 is about 35707.9055672550. The cubic root of 1275054520 is about 1084.3668983109.

The spelling of 1275054520 in words is "one billion, two hundred seventy-five million, fifty-four thousand, five hundred twenty".